ETSI ETR 172-1995 Business TeleCommunications (BTC); Virtual Private Networking (VPN); Services and Networking Aspects; Standardization Requirements and Work Items Second Edition
European Telecommunications Standards Institute (ETSI)
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ETSI ETR 172-1995
ETSI ETR 172-1995 history
1995ETSI ETR 172-1995 Business TeleCommunications (BTC); Virtual Private Networking (VPN); Services and Networking Aspects; Standardization Requirements and Work Items Second Edition